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Evolution is simply a change in the frequencies of alleles in the gene pool of a population.

The concept of ____________ suggested that the earth is constantly subject to shaping and reshaping by natural forces working over vast stretches of time.

Before the work of Hardy and Weinberg, it was thought that dominant alleles must, over time, inevitably cancel recessive alleles out of existence.  

Sickle-cell anemia and the epicanthic eye fold are examples of ________________.

Which of the following statements about mutations is FALSE?

All mutations occur as a result of an environmental exposure to a number of various known mutagens including radiation, alcohol, lithium, and even some antibiotics and vitamins.

When scientists speak of evolution as a theory, this is what they mean:

This English lawyer and geologist was the first to provide strong conclusive evidence for the theory of uniformitarianism, which follows that the earth must be very old and that it has been subject to the same sort of natural processes in the past that operate today in shaping the land.

In 1859, Charles Darwin published ____________.

The most likely explanation for the existence of Australia’s, New Zealand’s, and Hawaii’s mostly unique biotic environments is that the life forms in these areas have been evolving in isolation from the rest of the world for millions of years. This is an example of: